CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in 40475 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 40475 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 40475 (2012-2016)
Year
Total businesses
2012
72
2013
64
2014
66
2015
56
2016
54